How many concurrent VPN sessions are supported?

This appliance supports up to 100,000 concurrent IPsec VPN sessions and 25,000 SSL VPN sessions, providing scalable remote-access and site-to-site connectivity for large user bases.

What high-availability options are available?

You can deploy the ASA 5585-X in active/standby high-availability pairs for seamless failover, or use clustering to scale throughput and ensure continuous network security.

How do I manage the ASA 5585-X chassis?

Management is via the two dedicated 1 GbE ports using the Cisco Adaptive Security Device Manager (ASDM) or CLI over SSH, Telnet, or Console for configuration and monitoring.

How is licensing handled for this model?

Licensing is modular with Base, Security Plus, and Context Awareness tiers. You activate features like IPS, Advanced Malware Protection, and additional contexts by installing corresponding license tokens.

Can the SSP40 module be upgraded?

Yes. The SSP40 is a field-replaceable unit. You can upgrade to higher-capacity SSPs (e.g., SSP60) to increase throughput and feature capacity without replacing the chassis.

What power supply does this ASA use?

It ships with a single internal 650 W AC power supply (100–240 VAC). Optional redundant power supplies can be added for higher availability.

What rack and environmental requirements apply?

The chassis occupies 2 RU in a standard 19-inch rack, requires 200 – 450 W power consumption, operates from 0–40 °C, and needs proper ventilation for heat dissipation.

How many security contexts (virtual firewalls) are supported?

With the Security Plus license, the ASA 5585-X supports up to 50 security contexts, allowing multi-tenant segmentation and policy isolation within a single chassis.

What operating system runs on the ASA 5585-X?

It runs Cisco Adaptive Security Appliance (ASA) software with FirePOWER services support, delivering unified threat management and flexible software-based security updates.

Is the ASA 5585-X compatible with Cisco Firepower migrations?

Yes. You can migrate from ASA software to Firepower Threat Defense (FTD) images on the ASA 5585-X chassis to leverage advanced threat analytics and sandboxing.

What deployment scenarios is this solution best for?

Ideal for large enterprises and data centers, the chassis handles high-volume traffic, multi-site VPNs, and deep packet inspection while maintaining low latency and high security.

What support options are available for ASA 5585-X?

Cisco offers Smart Net Total Care (SNTC) with 24x7 hardware replacement, software updates, and access to Cisco TAC for rapid issue resolution and minimized downtime.

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ASA5585-S40-K9

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SKU: ASA5585-S40-K9
Price: 74401.00 USD
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Rating: 4.2 (5 reviews)

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ASA5585-S40-K9 Overview

ASA5585-S40-K9 is a high-performance, chassis-based firewall appliance engineered for enterprise and data center deployments. It delivers robust network security services including IPS, antivirus, web filtering, and VPN, with a design that emphasizes scalability, high availability, and redundant power provisions to ensure uninterrupted operations.

This model features a mix of LAN and WAN connectivity via RJ-45 and SFP interfaces, making it ideal for environments that require secure segmentation and unified threat management. It supports multiple management options including cloud, CLI, and GUI deployments, enabling simplified configuration and centralized reporting to meet the demands of large-scale, mission-critical networks.

ASA5585-S40-K9 price is $74,401.00, a 55.7% saving from the Cisco list price of $167,995.00. ASA5585-S40-K9 is in stock and available for next-day dispatch. (terms applied)

Request bulk order quote for ASA5585-S40-K9 for additional pricing. Browse the full Asa 5500 Series Business Edition Bundles series or explore all Cisco products.

ASA5585-S40-K9 Specifications

Product Type: Firewall Appliance
Architecture: Chassis
Deployment Type: Enterprise / Data Center
Use Case: VPN / Secure Access / UTM
Firewall Layer Supported: Layer 3 / Layer 4 / Layer 7
Power Source: AC Power Supply
Redundant Power Supply Supported: Yes
Firewall Throughput: 40 Gbps
Threat Protection Throughput: N/A
IPS Throughput: N/A
VPN Throughput: 40 Gbps
Supported Applications: N/A
Centralized Configuration & Reporting: Supported
Feature: IPS, Antivirus, Web Filtering, VPN
Concurrent Sessions: 1,000,000
Maximum Concurrent Sessions: 1,000,000
Users/Nodes: Unlimited
Integrated I/O: N/A
New Sessions Per Second: N/A
Supported VPN Types: IPSec / SSL VPN / L2TP / PPTP / GRE
Routing Protocols Supported: OSPF / BGP / RIP / Static Routing
Security Services: Antivirus / Web Filtering / Application Control / IPS / VPN
High Availability: Active-Passive
Interfaces: RJ-45 / SFP
WAN Ports: 2 WAN
LAN Ports: 4 LAN Ports
Switch Ports: No
POE Ports: No
Management Options: Cloud / CLI / GUI / Centralized / REST API / SNMP
Logging & Monitoring: Built-in / Syslog
Firewall Policies Supported: N/A
Users Supported: N/A
Memory: 8 GB
Flash Storage: 128 GB
Expansion Slots: SFP
Form Factor: Chassis
Rack Units: 2 RU
Device Type: NGFW
Product Name: Cisco ASA5585-S40-K9
Height: N/A
Width: N/A
Depth: N/A
Weight: N/A

ASA5585-S40-K9 Use Case

High-Throughput Data Center Perimeter Security with Cisco ASA5585-S40 SSP40

In a global financial services data center, the ASA5585-S40-K9 chassis with SSP40 delivers up to 6 Gbps line-rate firewall throughput and hardware-accelerated 3DES/AES encryption. Four SFP+ uplinks and dual 2 GbE management interfaces enable seamless scalability and high availability. This deployment enforces enterprise-grade perimeter defense, minimizes latency for trading applications, and ensures compliance with stringent uptime and data-protection regulations.

Global Retail Branch VPN Security with Cisco ASA5585-S40 SSP40

A multinational retail chain uses the ASA5585-S40-K9-ASA 5585-X chassis with SSP40 to terminate over 1,500 IPsec tunnels and centralize security policies across 200+ stores. Leveraging 6 GbE throughput, four SFP+ ports, and 3DES/AES encryption, the solution provides low-latency VPN connectivity, PCI DSS-compliant payment processing, and streamlined network management. The result is consistent branch-level security, reduced operational overhead, and enhanced customer trust.

HIPAA-Compliant Network Segmentation for Healthcare with Cisco ASA5585-S40 SSP40

A large hospital network deploys the ASA5585-S40-K9 chassis with SSP40 to segment electronic health record systems, guest Wi-Fi, and administrative networks. Four SFP+ interfaces support dedicated VLANs per segment, while 2 GbE management ports enable real-time monitoring. Hardware-accelerated AES encryption and SSL inspection secure data-in-transit. This targeted segmentation guarantees HIPAA compliance, reduces breach risk, and maintains continuous access to critical medical applications.

Quality Certifications

To get the detailed certification, please go to the Compliance Center.

Product Comparison Table

	ASA5585-S40-K9	ASA5585-S10-K8	ASA5585-S20-K7	ASA5585-S60-2A-K7	ASA5555-K9
Architecture	Chassis	Rack-mount Appliance	Rack-mount	Rack-mount	Rack-mount
Centralized Configuration & Reporting	Supported	Yes	Yes	Firepower Management Center	Cisco Adaptive Security Device Manager
Concurrent Sessions	1,000,000	500,000	2 Million	N/A	500000
Deployment Type	Enterprise / Data Center	Enterprise / Branch Office / Data Center	Enterprise / Data Center / Branch Office	Enterprise / Data Center / Branch Office	Enterprise / Branch Office
Depth	N/A	19.1 inches	17 inches	18 inches	18 inches
Device Type	NGFW	NGFW	NGFW	Next-Generation Firewall	NGFW
Expansion Slots	SFP	SFP	SFP	SFP	SFP
Feature	IPS, Antivirus, Web Filtering, VPN	Advanced Threat Protection, IPS, Antivirus, Web Filtering, VPN	Comprehensive threat intelligence integration	Integrated IPS, Antivirus, Web Filtering, VPN	High Availability
Firewall Layer Supported	Layer 3 / Layer 4 / Layer 7	Layer 3 / Layer 4 / Layer 7	Layer 3 / Layer 7	Layer 3 / Layer 4 / Layer 7	Layer 3 / Layer 4 / Layer 7
Firewall Policies Supported	N/A	N/A	500	N/A	1000
Firewall Throughput	40 Gbps	15 Gbps	20 Gbps	60 Gbps	7 Gbps
Flash Storage	128 GB	128 GB	128 GB	128 GB	128 GB
Form Factor	Chassis	1 RU	2 RU	2 RU	Rack-mount
Height	N/A	1.8 inches	3.5 inches	3.5 inches	3.5 inches
High Availability	Active-Passive	Active-Active	Active-Passive	Active-Passive	Active-Passive
IPS Throughput	N/A	4 Gbps	10 Gbps	N/A	2 Gbps
Integrated I/O	N/A	N/A	4	N/A	4
Interfaces	RJ-45 / SFP	RJ-45 / SFP	RJ-45 / SFP	RJ-45 / SFP	RJ-45 / SFP
LAN Ports	4 LAN Ports	8 LAN Ports	8 LAN Ports	4 LAN Ports	8 LAN Ports
Logging & Monitoring	Built-in / Syslog	Built-in / Syslog / Cloud Logging	Built-in / Syslog / Cloud Logging	Built-in / Syslog / Cloud Logging	Built-in / Syslog
Management Options	Cloud / CLI / GUI / Centralized / REST API / SNMP	Cloud / CLI / GUI / SNMP	Cloud / CLI / GUI / SNMP	CLI / GUI / SNMP / REST API	CLI / GUI / SNMP
Maximum Concurrent Sessions	1,000,000	1,000,000	2.5 Million	N/A	1000000
Memory	8 GB	16 GB	16 GB	16 GB	8 GB
New Sessions Per Second	N/A	50,000	50,000	N/A	50000
POE Ports	No	No	No	No	No
Power Source	AC Power Supply	AC Power Supply	AC Power Supply	AC Power Supply	AC Power Supply
Product Name	Cisco ASA5585-S40-K9	ASA5585-S10-K8	ASA5585-S20-K7	ASA5585-S60-2A-K7	Cisco ASA5555-K9 Adaptive Security Appliance
Product Type	Firewall Appliance	Firewall Appliance	Firewall Appliance	Firewall Appliance	Firewall Appliance
Rack Units	2 RU	1 RU	2 RU	2 RU	2 RU
Redundant Power Supply Supported	Yes	Yes	Yes	Yes	Yes
Routing Protocols Supported	OSPF / BGP / RIP / Static Routing	OSPF / BGP / RIP / Static Routing	OSPF / BGP / Static Routing	OSPF / BGP / RIP / Static Routing	OSPF / BGP / RIP / Static Routing
Security Services	Antivirus / Web Filtering / Application Control / IPS / VPN	Antivirus / Web Filtering / Application Control / IPS / VPN	Antivirus / Web Filtering / Application Control / IPS / VPN	Antivirus / Web Filtering / Application Control / IPS / VPN	Antivirus / Web Filtering / Application Control / IPS / VPN
Supported Applications	N/A	Multiple security applications	500	N/A	50
Supported VPN Types	IPSec / SSL VPN / L2TP / PPTP / GRE	IPSec / SSL VPN	IPSec / SSL VPN	IPSec / SSL VPN	IPSec / SSL VPN
Switch Ports	No	Yes	Yes	No	Yes
Threat Protection Throughput	N/A	6 Gbps	15 Gbps	N/A	3 Gbps
Use Case	VPN / Secure Access / UTM	VPN / Secure Access / UTM	VPN / Secure Access / UTM	VPN / Secure Access / Segmentation / UTM	VPN / Secure Access / UTM
Users Supported	N/A	N/A	Unlimited	N/A	Unlimited
Users/Nodes	Unlimited	Unlimited	Unlimited	Unlimited	Unlimited
VPN Throughput	40 Gbps	10 Gbps	5 Gbps	N/A	1.5 Gbps
WAN Ports	2 WAN	4 WAN	2 WAN	2 WAN	2 WAN
Weight	N/A	30 lbs	35 lbs	50 lbs	40 lbs
Width	N/A	17.3 inches	17 inches	17.5 inches	17 inches

Reviews & Ratings

Dante Monroe

5585-X SSP40 delivers reliable enterprise firewall performance under high-demand workloads.

Elara Steele

Easy deployment with stable operation.

Finn Barrett

Professional-grade security and consistent throughput.

Gemma Hayes

Durable appliance for critical enterprise operations.

Holden Lane

Efficient and dependable for mission-critical networks.

Questions & Answers

What is the Cisco ASA 5585-X chassis with SSP40 module?

The Cisco ASA 5585-X chassis with SSP40 is an enterprise-grade firewall appliance featuring a Security Services Processor (SSP40) that delivers high-performance threat defense, including 6 Gigabit Ethernet ports, 4 SFP+ ports, 2 Gigabit management ports, and AES/3DES encryption.

What are the hardware specifications of ASA 5585-X with SSP40?

This model provides 6x 1 GbE RJ-45 data ports, 4x 10 GbE SFP+ data ports, 2x 1 GbE management ports, one AC power supply, and onboard hardware acceleration for AES/3DES encryption.

Which security features does this ASA support?

The ASA 5585-X with SSP40 supports stateful firewalling, intrusion prevention, VPN (IPsec and SSL), URL filtering, malware defense and hardware-accelerated AES/3DES encryption for secure data transit.

What firewall throughput can I expect?

With the SSP40 module, the ASA 5585-X delivers up to 6 Gbps of firewall throughput and up to 3 Gbps of SSL VPN performance, ensuring low latency for enterprise networks.

Related Searches Asa 5500 Series Business Edition Bundles

ASA5585-S40-2A-K9 ASA5585-S60-2A-K9 ASA5585-S20X-K9 ASA5585-S40-K7 ASA5585-S60-2D-K9 ASA5585-S40-2D-K9 ASA5585-S20-K9 ASA5585-S10-K7

ASA5585-S40-K9 Overview

ASA5585-S40-K9 price is $74,401.00, a 55.7% saving from the Cisco list price of $167,995.00. ASA5585-S40-K9 is in stock and available for next-day dispatch. (terms applied)

ASA5585-S40-K9 Specifications

Product Type

Firewall Appliance

Architecture

Chassis

Deployment Type

Enterprise / Data Center

Use Case

VPN / Secure Access / UTM

Firewall Layer Supported

Layer 3 / Layer 4 / Layer 7

Power Source

AC Power Supply

Redundant Power Supply Supported

Yes

Firewall Throughput

40 Gbps

Threat Protection Throughput

N/A

IPS Throughput

N/A

VPN Throughput

40 Gbps

Supported Applications

N/A

Centralized Configuration & Reporting

Supported

Feature

IPS, Antivirus, Web Filtering, VPN

Concurrent Sessions

1,000,000

Maximum Concurrent Sessions

1,000,000

Users/Nodes

Unlimited

Integrated I/O

N/A

New Sessions Per Second

N/A

Supported VPN Types

IPSec / SSL VPN / L2TP / PPTP / GRE

Routing Protocols Supported

OSPF / BGP / RIP / Static Routing

Security Services

Antivirus / Web Filtering / Application Control / IPS / VPN

High Availability

Active-Passive

Interfaces

RJ-45 / SFP

WAN Ports

2 WAN

LAN Ports

4 LAN Ports

Switch Ports

POE Ports

Management Options

Cloud / CLI / GUI / Centralized / REST API / SNMP

Logging & Monitoring

Built-in / Syslog

Firewall Policies Supported

N/A

Users Supported

N/A

Memory

8 GB

Flash Storage

128 GB

Expansion Slots

SFP

Form Factor

Chassis

Rack Units

2 RU

Device Type

NGFW

Product Name

Cisco ASA5585-S40-K9

Height

N/A

Width

N/A

Depth

N/A

Weight

N/A